First single in 2015 from Arashi features "Sakura," which is the main theme song for TV series "Uroboros - Kono Ai Koso, Seigi" starring Toma Ikuta and Shun Oguri. This edition also features karaoke tracks for the title song and a B-side track (A). Also comes with a bonus DVD featuring a music video for "Sakura" and a lyric booklet. *Covers of all the two editions are different from each other.